Showing papers in "Optical Materials in 2021"

TL;DR: In this paper, BaTiO3/Bi2WO6 (BTO/BWO) heterojunction composites were used to reveal the photodegradation process of mixture dye solutions in different pH environments by photocatalysts.

TL;DR: In this paper, a terahertz perfect absorber (PA) made of all-dielectric metasurface with periodic sub-wavelength InSb micro-rod array was proposed, which can be functioned for temperature and refractive index (RI) sensing application simultaneously.

TL;DR: In this article, the authors report the optimized device performance of methylammonium tin iodide (MASnI3) based perovskite solar cell by using numerical simulation.

TL;DR: In this article, a tartrate precursor process is used to produce barium titanate (BaTiO3) nanocrystalline particles and to fabricate polyvinyl alcohol (PVA) films hosting BaTiO 3 in order to enhance structural and optical properties.

TL;DR: In this paper, a study of poly(methyl methacrylate) (PMMA) matrix and wide energy bandgap semiconductor nanocrystallite fillers viz. zinc oxide (ZnO), tin oxide (SnO2), and titanium dioxide (TiO2) was conducted.

TL;DR: The BaTiO3/TiO2/CeO2 smart composites with double type II band arrangement structures were synthesized by a hydrothermal synthesis method as mentioned in this paper.

TL;DR: In this article, mesoporous BiVO4/TiO2 heterojunctions were recorded for highly efficient photodegradation of rhodamine B dye and production of hydrogen gas.

TL;DR: In this article, the optical, structural and physical properties of newly developed Dolomite reinforced borate glasses via experimental and simulation techniques have been investigated, and the results showed an enhancement of the absorbance as dolomite contents increases.

TL;DR: In this paper, the melt-quenching method was applied to fabricate a new glass series containing 10Bi2O3-70TeO2-(20-x)ZnO-xTa2O5, x = 0, 2, 4, and 6

TL;DR: In this paper, the effects of co-doping on structural, morphological, and optical properties of ZnO nanorods were investigated by employing different analytical techniques to investigate the effects.

TL;DR: In this article, a simple thermal decomposition of urea is an efficient route for producing g-C3N4 nanosheets, where BiVO3 nanoparticles were deposited homogeneously on the surface of the nanocomposite.

TL;DR: In this paper, the authors proposed an angle-insensitive photonic band gap (PBG) in one-dimensional binary photonic crystal (PC) composed of alternating dielectric and hyperbolic metamaterial (HMM) layers.

TL;DR: In this paper, a dual-controlled tunable broadband terahertz (THz) absorber is designed, which is composed of graphene, silica medium and phase change material Vanadium dioxide (VO2).

TL;DR: In this paper, a perovskite solar cell employing zinc oxy-sulphide (Zn (O 0.3, S 0.7)) as ETL and copper thiocyanate (CuSCN) as HTL is presented.

TL;DR: In this article, a novel hybrid polyaniline/ZnO heterojunction was synthesized by coupling sol-gel and oxidative polymerization of aniline in ultrasonic bath of various intensities for removal of fluorescein dye and producing large amount of hydrogen gas under visible light source.

TL;DR: In this article, the dependence of electronic polarizability and optical basicity of the synthesized glasses on the refractive index and bandgap is investigated, and the Judd-Ofelt theory is used to evaluate oscillator strengths and intensity parameters of Sm2O3-doped LCP glasses.

TL;DR: In this paper, the authors reported the morphology tailoring of hierarchical Bi4Ti3O12 architectures by using tert-butylamine (TB) and oleic acid (OA).

TL;DR: A facile solvothermal synthesis strategy was applied to prepare multi heteroatoms (nitrogen and phosphorus) codoped carbon dots (N, P-CDs) using formamide and phosphoric acid as nitrogen source and phosphorus source, respectively.

TL;DR: In this article, a CTAB-capped Bi2WO6 photocatalyst with low charge carrier recombination rate was used to remove Rhodamine B (RhB) dye.

TL;DR: In this paper, a spray pyrolysis technique was employed to synthesize NiO and NiO:Cu thin films (0.1-25% Cu) on soda-lime glass substrate.

TL;DR: In this article, the effect of irradiation doses of both 10, and 40kGy, as well as the Ta2O5 ratio on the structural and optical characteristics of the prepared glasses were studied.

TL;DR: In this paper, the structure and morphological features of NMO/AMO were determined by high-resolution transmission electron microscope (HRTEM), X-ray diffraction (XRD), fourier-transfer infrared spectroscopy (FTIR), photoluminescence (PL), energy dispersive x-ray spectrography (EDAX), BET isotherm and UV-visible diffuse reflectance spectro-graph (UV-vis DRS) EDAX and XRD confirm the formation of the nanocluster and its crystalline nature PL of

TL;DR: In this paper, the electrical and optical properties of indium tin oxide (ITO) films with different thicknesses were measured by the standard four-point probe method, showing that the measured electrical properties refer to a decrease in the sheet resistance Rs (Ω/sq) with the increase in the annealing temperature.

TL;DR: In this article, the Ag/g-C3N4/SiC/PGA nano probe was analyzed via UV-vis, TEM, EDS, DLS, and zetasizer analyzer.

TL;DR: In this paper, the hole transport layers and electron transport layers (ETLs) are optimized by correlating the open circuit voltage (VOC) with the built-in potential (Vbi).

TL;DR: In this paper, the effect of annealing time on the structural, surface, optical and electrical properties of ZnO:Al films have been studied using X-Ray Diffraction (XRD), Atomic Force Microscopy (AFM), and UV-Visible spectrophotometry, four-point probe method.

TL;DR: In this paper, the surface plasmon resonance (SPR) effect of noble metals was detected using Ultraviolet-visible diffuse reflectance spectra, and the existence of AuPt bimetallic alloy and their homogeneous distribution on Bi2O3 surface were fully confirmed by XPS characterization and HRTEM observation.

TL;DR: In this paper, the effect of Al doping and annealing temperature on structural, morphological, and optical properties as well as photocatalytic activity of transparent pure and Al-doped zinc oxide (ZnO, AZO) thin films have been investigated.

TL;DR: In this article, the mass attenuation coefficient (μ/ρ) for the prepared samples between 0.122 and 1.458 µm was calculated and compared with those generated from Phy-X software and a good agreement was reported and validated the simulated μ/ρ results.

TL;DR: In this paper, the synthesis of spinel ZnCr2O4 (ZCO) nanoparticles in pure phase by the combination of sol-gel methodology at 700°C was achieved.